Submissions guidelines that make me shake my head

From Best Poem‘s guidelines:

Best Poem seeks to publish, not necessarily every day, a poet’s best poem…. Poem should be fifty lines or fewer…. No simultaneous submissions, no previously published poems.

Bolding mine.

Riiiight. I’d imagine that what most people consider their “best poem” has been published. In my case, it’s been published three times.

Actually, the whole paragraph struck me as snotty.